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| 1 import unittest | |
| 2 import sys | |
| 3 from altgraph.ObjectGraph import ObjectGraph | |
| 4 from altgraph.Graph import Graph | |
| 5 | |
| 6 try: | |
| 7 from StringIO import StringIO | |
| 8 except ImportError: | |
| 9 from io import StringIO | |
| 10 | |
| 11 | |
| 12 class Node (object): | |
| 13 def __init__(self, graphident): | |
| 14 self.graphident = graphident | |
| 15 | |
| 16 class SubNode (Node): | |
| 17 pass | |
| 18 | |
| 19 class ArgNode (object): | |
| 20 def __init__(self, graphident, *args, **kwds): | |
| 21 self.graphident = graphident | |
| 22 self.args = args | |
| 23 self.kwds = kwds | |
| 24 | |
| 25 def __repr__(self): | |
| 26 return '<ArgNode %s>'%(self.graphident,) | |
| 27 | |
| 28 class TestObjectGraph (unittest.TestCase): | |
| 29 | |
| 30 def test_constructor(self): | |
| 31 graph = ObjectGraph() | |
| 32 self.assertTrue(isinstance(graph, ObjectGraph)) | |
| 33 | |
| 34 g = Graph() | |
| 35 graph = ObjectGraph(g) | |
| 36 self.assertTrue(graph.graph is g) | |
| 37 self.assertEqual(graph.debug, 0) | |
| 38 self.assertEqual(graph.indent, 0) | |
| 39 | |
| 40 graph = ObjectGraph(debug=5) | |
| 41 self.assertEqual(graph.debug, 5) | |
| 42 | |
| 43 def test_repr(self): | |
| 44 graph = ObjectGraph() | |
| 45 self.assertEqual(repr(graph), '<ObjectGraph>') | |
| 46 | |
| 47 | |
| 48 def testNodes(self): | |
| 49 graph = ObjectGraph() | |
| 50 n1 = Node("n1") | |
| 51 n2 = Node("n2") | |
| 52 n3 = Node("n3") | |
| 53 n4 = Node("n4") | |
| 54 | |
| 55 n1b = Node("n1") | |
| 56 | |
| 57 self.assertTrue(graph.getIdent(graph) is graph) | |
| 58 self.assertTrue(graph.getRawIdent(graph) is graph) | |
| 59 | |
| 60 graph.addNode(n1) | |
| 61 graph.addNode(n2) | |
| 62 graph.addNode(n3) | |
| 63 | |
| 64 self.assertTrue(n1 in graph) | |
| 65 self.assertFalse(n4 in graph) | |
| 66 self.assertTrue("n1" in graph) | |
| 67 self.assertFalse("n4" in graph) | |
| 68 | |
| 69 self.assertTrue(graph.findNode(n1) is n1) | |
| 70 self.assertTrue(graph.findNode(n1b) is n1) | |
| 71 self.assertTrue(graph.findNode(n2) is n2) | |
| 72 self.assertTrue(graph.findNode(n4) is None) | |
| 73 self.assertTrue(graph.findNode("n1") is n1) | |
| 74 self.assertTrue(graph.findNode("n2") is n2) | |
| 75 self.assertTrue(graph.findNode("n4") is None) | |
| 76 | |
| 77 self.assertEqual(graph.getRawIdent(n1), "n1") | |
| 78 self.assertEqual(graph.getRawIdent(n1b), "n1") | |
| 79 self.assertEqual(graph.getRawIdent(n4), "n4") | |
| 80 self.assertEqual(graph.getRawIdent("n1"), None) | |
| 81 | |
| 82 self.assertEqual(graph.getIdent(n1), "n1") | |
| 83 self.assertEqual(graph.getIdent(n1b), "n1") | |
| 84 self.assertEqual(graph.getIdent(n4), "n4") | |
| 85 self.assertEqual(graph.getIdent("n1"), "n1") | |
| 86 | |
| 87 self.assertTrue(n3 in graph) | |
| 88 graph.removeNode(n3) | |
| 89 self.assertTrue(n3 not in graph) | |
| 90 graph.addNode(n3) | |
| 91 self.assertTrue(n3 in graph) | |
| 92 | |
| 93 n = graph.createNode(SubNode, "n1") | |
| 94 self.assertTrue(n is n1) | |
| 95 | |
| 96 n = graph.createNode(SubNode, "n8") | |
| 97 self.assertTrue(isinstance(n, SubNode)) | |
| 98 self.assertTrue(n in graph) | |
| 99 self.assertTrue(graph.findNode("n8") is n) | |
| 100 | |
| 101 n = graph.createNode(ArgNode, "args", 1, 2, 3, a='a', b='b') | |
| 102 self.assertTrue(isinstance(n, ArgNode)) | |
| 103 self.assertTrue(n in graph) | |
| 104 self.assertTrue(graph.findNode("args") is n) | |
| 105 self.assertEqual(n.args, (1, 2, 3)) | |
| 106 self.assertEqual(n.kwds, {'a':'a', 'b':'b'}) | |
| 107 | |
| 108 def testEdges(self): | |
| 109 graph = ObjectGraph() | |
| 110 n1 = graph.createNode(ArgNode, "n1", 1) | |
| 111 n2 = graph.createNode(ArgNode, "n2", 1) | |
| 112 n3 = graph.createNode(ArgNode, "n3", 1) | |
| 113 n4 = graph.createNode(ArgNode, "n4", 1) | |
| 114 | |
| 115 graph.createReference(n1, n2, "n1-n2") | |
| 116 graph.createReference("n1", "n3", "n1-n3") | |
| 117 graph.createReference("n2", n3) | |
| 118 | |
| 119 g = graph.graph | |
| 120 e = g.edge_by_node("n1", "n2") | |
| 121 self.assertTrue(e is not None) | |
| 122 self.assertEqual(g.edge_data(e), "n1-n2") | |
| 123 | |
| 124 e = g.edge_by_node("n1", "n3") | |
| 125 self.assertTrue(e is not None) | |
| 126 self.assertEqual(g.edge_data(e), "n1-n3") | |
| 127 | |
| 128 e = g.edge_by_node("n2", "n3") | |
| 129 self.assertTrue(e is not None) | |
| 130 self.assertEqual(g.edge_data(e), None) | |
| 131 | |
| 132 e = g.edge_by_node("n1", "n4") | |
| 133 self.assertTrue(e is None) | |
| 134 | |
| 135 graph.removeReference(n1, n2) | |
| 136 e = g.edge_by_node("n1", "n2") | |
| 137 self.assertTrue(e is None) | |
| 138 | |
| 139 graph.removeReference("n1", "n3") | |
| 140 e = g.edge_by_node("n1", "n3") | |
| 141 self.assertTrue(e is None) | |
| 142 | |
| 143 graph.createReference(n1, n2, "foo") | |
| 144 e = g.edge_by_node("n1", "n2") | |
| 145 self.assertTrue(e is not None) | |
| 146 self.assertEqual(g.edge_data(e), "foo") | |
| 147 | |
| 148 | |
| 149 def test_flatten(self): | |
| 150 graph = ObjectGraph() | |
| 151 n1 = graph.createNode(ArgNode, "n1", 1) | |
| 152 n2 = graph.createNode(ArgNode, "n2", 2) | |
| 153 n3 = graph.createNode(ArgNode, "n3", 3) | |
| 154 n4 = graph.createNode(ArgNode, "n4", 4) | |
| 155 n5 = graph.createNode(ArgNode, "n5", 5) | |
| 156 n6 = graph.createNode(ArgNode, "n6", 6) | |
| 157 n7 = graph.createNode(ArgNode, "n7", 7) | |
| 158 n8 = graph.createNode(ArgNode, "n8", 8) | |
| 159 | |
| 160 graph.createReference(graph, n1) | |
| 161 graph.createReference(graph, n7) | |
| 162 graph.createReference(n1, n2) | |
| 163 graph.createReference(n1, n4) | |
| 164 graph.createReference(n2, n3) | |
| 165 graph.createReference(n2, n5) | |
| 166 graph.createReference(n5, n6) | |
| 167 graph.createReference(n4, n6) | |
| 168 graph.createReference(n4, n2) | |
| 169 | |
| 170 self.assertFalse(isinstance(graph.flatten(), list)) | |
| 171 | |
| 172 fl = list(graph.flatten()) | |
| 173 self.assertTrue(n1 in fl) | |
| 174 self.assertTrue(n2 in fl) | |
| 175 self.assertTrue(n3 in fl) | |
| 176 self.assertTrue(n4 in fl) | |
| 177 self.assertTrue(n5 in fl) | |
| 178 self.assertTrue(n6 in fl) | |
| 179 self.assertTrue(n7 in fl) | |
| 180 self.assertFalse(n8 in fl) | |
| 181 | |
| 182 fl = list(graph.flatten(start=n2)) | |
| 183 self.assertFalse(n1 in fl) | |
| 184 self.assertTrue(n2 in fl) | |
| 185 self.assertTrue(n3 in fl) | |
| 186 self.assertFalse(n4 in fl) | |
| 187 self.assertTrue(n5 in fl) | |
| 188 self.assertTrue(n6 in fl) | |
| 189 self.assertFalse(n7 in fl) | |
| 190 self.assertFalse(n8 in fl) | |
| 191 | |
| 192 graph.createReference(n1, n5) | |
| 193 fl = list(graph.flatten(lambda n: n.args[0] % 2 != 0)) | |
| 194 self.assertTrue(n1 in fl) | |
| 195 self.assertFalse(n2 in fl) | |
| 196 self.assertFalse(n3 in fl) | |
| 197 self.assertFalse(n4 in fl) | |
| 198 self.assertTrue(n5 in fl) | |
| 199 self.assertFalse(n6 in fl) | |
| 200 self.assertTrue(n7 in fl) | |
| 201 self.assertFalse(n8 in fl) | |
| 202 | |
| 203 def test_iter_nodes(self): | |
| 204 graph = ObjectGraph() | |
| 205 n1 = graph.createNode(ArgNode, "n1", 1) | |
| 206 n2 = graph.createNode(ArgNode, "n2", 2) | |
| 207 n3 = graph.createNode(ArgNode, "n3", 3) | |
| 208 n4 = graph.createNode(ArgNode, "n4", 4) | |
| 209 n5 = graph.createNode(ArgNode, "n5", 5) | |
| 210 n6 = graph.createNode(ArgNode, "n6", 5) | |
| 211 | |
| 212 nodes = graph.nodes() | |
| 213 if sys.version[0] == '2': | |
| 214 self.assertTrue(hasattr(nodes, 'next')) | |
| 215 else: | |
| 216 self.assertTrue(hasattr(nodes, '__next__')) | |
| 217 self.assertTrue(hasattr(nodes, '__iter__')) | |
| 218 | |
| 219 nodes = list(nodes) | |
| 220 self.assertEqual(len(nodes), 6) | |
| 221 self.assertTrue(n1 in nodes) | |
| 222 self.assertTrue(n2 in nodes) | |
| 223 self.assertTrue(n3 in nodes) | |
| 224 self.assertTrue(n4 in nodes) | |
| 225 self.assertTrue(n5 in nodes) | |
| 226 self.assertTrue(n6 in nodes) | |
| 227 | |
| 228 def test_get_edges(self): | |
| 229 graph = ObjectGraph() | |
| 230 n1 = graph.createNode(ArgNode, "n1", 1) | |
| 231 n2 = graph.createNode(ArgNode, "n2", 2) | |
| 232 n3 = graph.createNode(ArgNode, "n3", 3) | |
| 233 n4 = graph.createNode(ArgNode, "n4", 4) | |
| 234 n5 = graph.createNode(ArgNode, "n5", 5) | |
| 235 n6 = graph.createNode(ArgNode, "n6", 5) | |
| 236 | |
| 237 graph.createReference(n1, n2) | |
| 238 graph.createReference(n1, n3) | |
| 239 graph.createReference(n3, n1) | |
| 240 graph.createReference(n5, n1) | |
| 241 graph.createReference(n2, n4) | |
| 242 graph.createReference(n2, n5) | |
| 243 graph.createReference(n6, n2) | |
| 244 | |
| 245 outs, ins = graph.get_edges(n1) | |
| 246 | |
| 247 self.assertFalse(isinstance(outs, list)) | |
| 248 self.assertFalse(isinstance(ins, list)) | |
| 249 | |
| 250 ins = list(ins) | |
| 251 outs = list(outs) | |
| 252 | |
| 253 | |
| 254 self.assertTrue(n1 not in outs) | |
| 255 self.assertTrue(n2 in outs) | |
| 256 self.assertTrue(n3 in outs) | |
| 257 self.assertTrue(n4 not in outs) | |
| 258 self.assertTrue(n5 not in outs) | |
| 259 self.assertTrue(n6 not in outs) | |
| 260 | |
| 261 self.assertTrue(n1 not in ins) | |
| 262 self.assertTrue(n2 not in ins) | |
| 263 self.assertTrue(n3 in ins) | |
| 264 self.assertTrue(n4 not in ins) | |
| 265 self.assertTrue(n5 in ins) | |
| 266 self.assertTrue(n6 not in ins) | |
| 267 | |
| 268 def test_filterStack(self): | |
| 269 graph = ObjectGraph() | |
| 270 n1 = graph.createNode(ArgNode, "n1", 0) | |
| 271 n11 = graph.createNode(ArgNode, "n1.1", 1) | |
| 272 n12 = graph.createNode(ArgNode, "n1.2", 0) | |
| 273 n111 = graph.createNode(ArgNode, "n1.1.1", 0) | |
| 274 n112 = graph.createNode(ArgNode, "n1.1.2",2) | |
| 275 n2 = graph.createNode(ArgNode, "n2", 0) | |
| 276 n3 = graph.createNode(ArgNode, "n2", 0) | |
| 277 | |
| 278 graph.createReference(None, n1) | |
| 279 graph.createReference(None, n2) | |
| 280 graph.createReference(n1, n11) | |
| 281 graph.createReference(n1, n12) | |
| 282 graph.createReference(n11, n111) | |
| 283 graph.createReference(n11, n112) | |
| 284 | |
| 285 self.assertTrue(n1 in graph) | |
| 286 self.assertTrue(n2 in graph) | |
| 287 self.assertTrue(n11 in graph) | |
| 288 self.assertTrue(n12 in graph) | |
| 289 self.assertTrue(n111 in graph) | |
| 290 self.assertTrue(n112 in graph) | |
| 291 self.assertTrue(n2 in graph) | |
| 292 self.assertTrue(n3 in graph) | |
| 293 | |
| 294 visited, removes, orphans = graph.filterStack( | |
| 295 [lambda n: n.args[0] != 1, lambda n: n.args[0] != 2]) | |
| 296 | |
| 297 self.assertEqual(visited, 6) | |
| 298 self.assertEqual(removes, 2) | |
| 299 self.assertEqual(orphans, 1) | |
| 300 | |
| 301 e = graph.graph.edge_by_node(n1.graphident, n111.graphident) | |
| 302 self.assertEqual(graph.graph.edge_data(e), "orphan") | |
| 303 | |
| 304 self.assertTrue(n1 in graph) | |
| 305 self.assertTrue(n2 in graph) | |
| 306 self.assertTrue(n11 not in graph) | |
| 307 self.assertTrue(n12 in graph) | |
| 308 self.assertTrue(n111 in graph) | |
| 309 self.assertTrue(n112 not in graph) | |
| 310 self.assertTrue(n2 in graph) | |
| 311 self.assertTrue(n3 in graph) | |
| 312 | |
| 313 | |
| 314 class TestObjectGraphIO (unittest.TestCase): | |
| 315 def setUp(self): | |
| 316 self._stdout = sys.stdout | |
| 317 | |
| 318 def tearDown(self): | |
| 319 sys.stdout = self._stdout | |
| 320 | |
| 321 def test_msg(self): | |
| 322 graph = ObjectGraph() | |
| 323 | |
| 324 sys.stdout = fp = StringIO() | |
| 325 graph.msg(0, "foo") | |
| 326 self.assertEqual(fp.getvalue(), "foo \n") | |
| 327 | |
| 328 sys.stdout = fp = StringIO() | |
| 329 graph.msg(5, "foo") | |
| 330 self.assertEqual(fp.getvalue(), "") | |
| 331 | |
| 332 sys.stdout = fp = StringIO() | |
| 333 graph.debug = 10 | |
| 334 graph.msg(5, "foo") | |
| 335 self.assertEqual(fp.getvalue(), "foo \n") | |
| 336 | |
| 337 sys.stdout = fp = StringIO() | |
| 338 graph.msg(0, "foo", 1, "a") | |
| 339 self.assertEqual(fp.getvalue(), "foo 1 'a'\n") | |
| 340 | |
| 341 sys.stdout = fp = StringIO() | |
| 342 graph.msgin(0, "hello", "world") | |
| 343 graph.msg(0, "test me") | |
| 344 graph.msgout(0, "bye bye") | |
| 345 self.assertEqual(fp.getvalue(), "hello 'world'\n test me \nbye bye \n") | |
| 346 | |
| 347 | |
| 348 if __name__ == "__main__": # pragma: no cover | |
| 349 unittest.main() | |
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